Articles tagged with Allergic Reactions
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A new study reveals that dogs cause a stronger reaction in asthmatics than cats, even though more people are allergic to cats. The study found that dogs triggered a combination of reactions that included reduced air exhalation and increased nitric oxide release due to inflammation.
The Canadian Medical Association Journal published a comprehensive review of peanut allergy prevalence, highlighting its severity and early onset. Self-injectable epinephrine remains a cornerstone of peanut allergy management, while new therapies are being developed to address this condition.
A study published in JCI Journals identified unique immunological factors produced by immune cells of peanut-allergic children compared to non-allergic individuals and those who outgrown their allergies. These findings suggest the development of allergic reactions depends on host immune response rather than inherent allergenic properties.
A study found that venom immunotherapy significantly reduced the risk of severe systemic reactions to jack jumper ant stings in healthy adults. The treatment was effective in preventing life-threatening reactions, even in those who had previously experienced severe symptoms.
A new anti-IgE antibody has shown promise in preventing severe allergic reactions to peanuts. The treatment increased patients' threshold sensitivity to peanut flour, allowing them to consume more without a reaction.
A recent study suggests that bacterial infections can modify the allergic response, potentially preventing asthma and allergies in children. The research found that mice infected with M. pneumoniae showed a milder reaction to allergens than control mice.
Researchers are conducting studies on shrimp to better understand the genetic basis for proteins causing allergic responses. By altering the epitopes in shrimp allergens, binding action could be stopped, potentially leading to allergen-free foods.
A severe allergic anaphylactic reaction was triggered in a woman with shellfish allergy after kissing her boyfriend, who had eaten shrimp hours earlier. The incident highlights the importance of counseling patients to avoid exposure to food allergens through all potential routes, including kissing and touching.
Researchers identified a green tea compound that may block a key cell receptor involved in allergic responses, potentially providing an anti-allergenic effect. The study found that the compound, methylated EGCG, is more potent than previously discovered compounds and may work against various allergens.
Children exposed to two or more pets during their first year of life were on average 66-77% less likely to develop allergic antibodies, a significant finding that challenges current understanding of allergy development.
A new experimental approach has been developed to treat allergic diseases, with scientists creating a genetically engineered molecule called GE2 that connects two receptors on key immune system cells. The molecule short-circuits allergic reactions, including asthma and anaphylaxis, by cross-linking receptor molecules.
Researchers found that stressed mice exhibited increased diarrhoea responses to egg albumin, while non-stressed mice also showed occasional reactions. The study suggests chronic stress may contribute to food allergies and intestinal diseases like Crohn's disease.
A new clinical study by Johns Hopkins researchers shows that an experimental immunotherapy for severe ragweed allergy dramatically reduces allergic symptoms, such as runny noses, sneezing, and itchy eyes. The treatment nearly eliminates the need for relief medications and is substantially safer than conventional allergy shots.
A new study found that caregivers with higher perceived stress levels had infants who experienced more wheezing episodes during the first 14 months of life. Additionally, exposure to German cockroach allergen was associated with increased risk of asthma attacks in susceptible children. Researchers also developed a molecular model of th...
Eating at least two apples per week and higher selenium intake may reduce adult asthma incidence. Farm childhood experiences also lower risk of allergic reactions to cat dander and Timothy grass, reducing nasal congestion symptoms.
Researchers found intranasal corticosteroids more effective than antihistamines for seasonal allergies, especially in patients with severe disease. The study suggests revising guidelines to recommend regular use of steroids for severe cases and as-needed use for mild cases.
A new study found that early assessment of HIV-1 antiretroviral drug efficacy can predict long-term effectiveness. Patients with a continuous decline of HIV-1 concentrations within 0.72 log by day 6 after treatment initiation are likely to experience poor long-term responses.
A study by Johns Hopkins Medicine found that 18% of schoolchildren experience food-allergy attacks, with milk and peanut being the most common culprits. Parents and schools must work together to provide emergency plans and medication to prevent reactions.
Researchers at Cincinnati Children's Hospital Medical Center have identified eotaxin as a critical protein in the development of food allergies. By blocking eotaxin, new drugs may prevent allergic reactions in the gastrointestinal tract, providing hope for those affected by food allergies.
Research suggests that children allergic to eggs are not at a higher risk of anaphylaxis from the measles, mumps and rubella (MMR) vaccine. A growing body of evidence shows that only minor reactions may occur in some cases.
Researchers found that rush immunotherapy targeting a single allergen makes distinct changes in T cells and prevents allergic reactions. The study showed that T cells produce more interferon gamma, an element that lowers allergic responses, and shut off production of pro-allergic cytokines.
People with idiopathic anaphylaxis experience unpredictable, life-threatening symptoms without an external cause. Prompt diagnosis and preventive therapy with a combination of prednisone, hydroxyzine, and albuterol are critical to prevent death.
Scientists have narrowed down the list of suspect peanut proteins from 30 to seven, a significant step towards developing effective treatments for peanut allergies. The identification of these specific proteins opens up new avenues for investigation, including gene injection therapy and vaccine development.
Researchers challenge conventional wisdom that scraping off bee stings is more effective than pinching them out. Immediate removal of the sting, rather than its method of removal, reduces the amount of venom injected. Delaying removal increases welt size and envenomization.